板式平焊钢制管法兰尺寸执行标准GB/T9119-2000引用标准GB/T9112-2000GB/T9124-2000主要内容法兰概述板式平焊法兰尺寸附件1GB/T9119-2000法兰标准.docx附件2GB/T9124-2000钢制管法兰技术条件.pdf附件3GB/T9112-2000钢制管法兰类型与参数.pd钢制管法兰是用于连接管道或管道与阀门及管件的重要附件。亦是管道连接的主要方式之一。是工程设计中使用极为普遍、涉及面非常广泛的一种零部件。它是配管设计、管件阀门中必不可少的零件,而且也是设备、设备零部件(如人孔、视镜、液面计等)中必备的构件。法兰概述法兰概述之标准的种类GB系列(国家标准)JB系列(机械部)HG系列(化工部)ASMEB16.5(美标)BS4504(英标)DIN(德标)JIS(日标)主要介绍GB/T9119-2000法兰概述之类型板式平焊法兰整体法兰螺纹法兰对焊法兰带颈平焊法兰带颈承插焊法兰对焊环带颈松套法兰对焊环板式松套法兰平焊环板式松套法兰翻边环板式松套法兰法兰盖主要介绍板式平焊法兰法兰概述之密封面型式及代号平面(FF)突面(RF)凸面(M)凹面(F)凹凸面(MF)榫面(T)槽面(G)榫槽面(TG)环连接面(RJ)主要介绍突面(RF)、平面(FF)板式平焊法兰尺寸之图示平面(FF)适用于公称压力PN0.25-4.0MPa突面(RF)适用于公称压力PN0.25-4.0MPa板式平焊法兰尺寸之PN1.0公称通径DN(mm)钢管外径A(MM)主要尺寸(mm)螺栓法兰外径D螺栓孔中心圆直径K密封面法兰厚度C法兰内颈B螺栓孔径L数量n螺栓规格系列I系列IIdf系列I系列II1017.2149060412141815144M121521.3189565462142219144M122026.925105755621627.526144M122533.732115856521634.533144M123242.4381401007621843.539184M164048.3451501108421849.546184M165060.3571651259922061.559184M166576.17618514511822077.578184M168088.98920016013222090.591188M16100114.3108220180156222116110188M16注:系列I为英制管,系列II为米制管。下同板式平焊法兰尺寸之PN1.0续公称通径DN(mm)钢管外径A(MM)主要尺寸(mm)螺栓法兰外径D螺栓孔中心圆直径K密封面法兰厚度C法兰内颈B螺栓孔径L数量n螺栓规格系列I系列IIdf系列I系列II125139.7133250210184222142135188M16150168.3159285240211224171161228M20200219.1219340295266224222222228M202502732733953503192262772762212M20300323.93254454003702283283282212M20350355.63775054604292303603802216M20400406.54265655154802324114302616M244504574806156565302354624842620M245005085306706205822385145342620M246006106307807256822426176343020M27板式平焊法兰尺寸之PN1.6公称通径DN(MM)钢管外径A(MM)主要尺寸(mm)螺栓法兰外径D螺栓孔中心圆直径K密封面法兰厚度C法兰内颈B螺栓孔径L数量n螺栓规格系列I系列IIdf系列I系列II1017.2149060412141815144M121521.3189565462142219144M122026.925105755621627.526144M122533.732115856521634.533144M123242.4381401007621843.539184M164048.3451501108421849.546184M165060.3571651259922061.559184M166576.17618514511822077.578184M168088.98920016013222090.591188M16100114.3108220180156222116110188M16板式平焊法兰尺寸之PN1.6续公称通径DN(MM)钢管外径A(MM)主要尺寸(mm)螺栓法兰外径D螺栓孔中心圆直径K密封面法兰厚度C法兰内颈B螺栓孔径L数量n螺栓规格系列I系列IIdf系列I系列II125139.7133250210184222141.5135188M16150168.3159285240211224170.5161228M20200219.1219340295266226221.52222212M20250273273405355319228276.52762612M24300323.9325460410370232327.53282612M24350355.6377520470429235359.53802616M24400406.54265805254802384114303016M274504574806405855482424624843020M27500508530715650609246513.55343320M30600610630840770720252616.56343620M33板式平焊法兰尺寸之PN2.5公称通径DN(MM)钢管外径A(MM)主要尺寸(mm)螺栓法兰外径D螺栓孔中心圆直径K密封面法兰厚度C法兰内颈B螺栓孔径L数量n螺栓规格系列I系列IIdf系列I系列II1017.2149060412141815144M121521.3189565462142219144M122026.925105755621627.526144M122533.732115856521634.533144M123242.4381401007621843.539184M164048.3451501108421849.546184M165060.3571651259922061.559184M166576.17618514511822277.578188M168088.98920016013222490.591188M16100114.3108235190156226116110228M20板式平焊法兰尺寸之PN2.5续公称通径DN(MM)钢管外径A(MM)主要尺寸(mm)螺栓法兰外径D螺栓孔中心圆直径K密封面法兰厚度C法兰内颈B螺栓孔径L数量n螺栓规格系列I系列IIdf系列I系列II125139.7133270220184228141.5135268M24150168.3159300250211230170.5161268M24200219.1219360310274232221.52222612M24250273273425370330235276.52763012M27300323.9325485430389238327.53283016M27350355.6377555490448242359.53803316M30400406.54266205505032464114303616M334504574806706005482504624843620M33500508530730660609256513.55343620M33600610630845770720268616.56343920M36板式平焊法兰尺寸之PN4.0公称通径DN(MM)钢管外径A(MM)主要尺寸(mm)螺栓法兰外径D螺栓孔中心圆直径K密封面法兰厚度C法兰内颈B螺栓孔径L数量n螺栓规格系列I系列IIdf系列I系列II1017.2149060412141815144M121521.3189565462142219144M122026.925105755621627.526144M122533.732115856521634.533144M123242.4381401007621843.539184M164048.3451501108421849.546184M165060.3571651259922061.559184M166576.17618514511822277.578188M168088.98920016013222490.591188M16100114.3108235190156226116110228M20板式平焊法兰尺寸之PN4.0续公称通径DN(MM)钢管外径A(MM)主要尺寸(mm)螺栓法兰外径D螺栓孔中心圆直径K密封面法兰厚度C法兰内颈B螺栓孔径L数量n螺栓规格系列I系列IIdf系列I系列II125139.7133270220184228141.5135268M24150168.3159300250211230170.5161268M24200219.1219375320284236221.52223012M27250273273450385345242276.52763312M30300323.9325515450409248327.53283316M30350355.6377580510465255359.53803616M33400406.54266605855352604114303916M364504574806856105602664624843920M36500508530755670615272513.55344220M39600610630890795735284616.56344820M45附件附件1GB_T9119-2000法兰标准[1].docx附件2钢制管法兰技术条件_GB-T9124-2000.pdf附件3钢制管法兰类型与参数_GB-T9112-2000.pdf